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US20090291655 |
Outside unit for satellite reception and method of reception with said unit
The invention proposes an LNB using two transposition frequencies chosen on either side of the reception band so as to obtain a transposition of supradyne type and a transposition of infradyne type...
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US20090291654 |
RECEIVER WITH HYBRID RECEPTION ESTIMATION AND METHODS FOR USE THEREWITH
A receiver includes an antenna array that generates a plurality of received signals from at least a first remote transmitter and a second remote transmitter, the antenna array having a beam pattern...
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US20090253391 |
Frequency planning for switching devices for multi-band broadcast radios
Systems and methods are disclosed that use multiple DC-DC (direct-current-to-direct-current) regulators and configurable DC-DC regulators with respect to multi-band audio receivers in order to...
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US20090233571 |
DIVERSITY RECEIVER AND METHOD FOR CONTROLLING DIVERSITY RECEIVING OPERATION
Power consumption is reduced in a diversity receiver. A diversity receiver ( 10 ) comprises a condition determination circuit ( 26 ) determining whether a predefined condition is satisfied; and a...
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US20090221259 |
ACTIVE MIXER CIRCUIT AND A RECEIVER CIRCUIT OR A MILLIMETER-WAVE COMMUNICATION UNIT USING IT
The present invention provides a semiconductor integrated circuit including an active mixer circuit that is operated at low voltage, low noise, and low power consumption. It includes a...
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US20090215423 |
MULTI-PORT CORRELATOR AND RECEIVER HAVING THE SAME
A multi-port correlator and a receiver having the same are provided. A multi-port correlator includes an oscillating unit which generates a plurality of oscillating signals having different phases,...
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US20090209213 |
TRANSMITTING AND RECEIVING SYSTEM, TRANSMITTING APPARATUS, TRANSMITTING METHOD, RECEIVING APPARATUS, RECEIVING METHOD, AND PROGRAM
A transmitting and receiving system is provided. The transmitting of receiving system includes a transmitting apparatus to transmit data and a receiving apparatus to receive the data by means of...
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US20090191836 |
CIRCUIT AND METHODS TO PROTECT INPUT BUFFER
Apparatus, systems, and methods are disclosed that operate to boost an electrical potential of a control terminal of a transistor from a signal on an input terminal of the transistor to render a...
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US20090191835 |
REVERSE LINK CHANNEL ESTIMATION USING COMMON AND DEDICATED PILOT CHANNELS
The present invention provides a method of channel estimation implemented in a receiver having multiple antennas configured to receive at least one common pilot available to a plurality of users...
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US20090191837 |
Delta Sigma Modulator with Unavailable Output Values
A power control system includes a delta sigma modulator to generate output values for use in controlling a switching power converter. In at least one embodiment, the delta sigma modulator includes...
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US20090181637 |
ADAPTIVE FILTER FOR CHANNEL ESTIMATION WITH ADAPTIVE STEP-SIZE
A receiving apparatus for a digital mobile communication system comprises an adaptive filter for filtering an input signal. A step-size parameter chosen for the adaption of filter coefficients of...
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US20090181636 |
System and method for monitoring an analog data signal
A system and method for monitoring an analog data signal is provided that includes an analog data compression subsystem. The analog data compression subsystem includes a frequency bandpass filter,...
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US20090175370 |
PILOT SIGNAL TRANSMITTING METHOD, RADIO COMMUNICATION SYSTEM, AND APPARATUS AND PROGRAM USED FOR THE SAME
A larger cell uses a pilot pattern with a higher pilot density in a frequency axis direction to improve a channel estimation accuracy when a frequency selective fading variation is large....
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US20090176472 |
POWER SUPPLY ADAPTER AND POWER SUPPLY SYSTEM
Disclosed herein is a power supply adapter for supplying DC power to a broadcast receiver that processes a broadcast signal. The power supply adapter includes: a converter configured to generate...
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US20090156157 |
METHOD AND SYSTEM FOR A TRANSFORMER IN AN INTEGRATED CIRCUIT PACKAGE
Aspects of a method and system for a transformer in an integrated circuit package are provided. In this regard, signals may be transmitted and/or received via an antenna communicatively coupled to...
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US20090147716 |
Wireless Communication Receiver, System, and Method for Loading Firmware
A wireless communication system comprises a plurality of antennas, a plurality of tuners, a plurality of receiver ends, a bus, and a processor. Each of the tuners is connected to one of the...
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US20090131010 |
ANALOG-DIGITAL CONVERTER CHIP AND RF-IC CHIP USING THE SAME
In a wireless receiving circuit of high data rate, a circuit area and current consumption occupied by an analog-digital converter increase. The present invention, in a wireless receiving circuit...
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US20090124229 |
Adaptive Impedance for LNB Power Supply Output in Dependence on Communication Mode/Protocol
A method for selecting antenna configurations in a satellite receiving system, the method comprising: selecting antenna configurations using a first mode of operation wherein frequency shift keying...
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US20090117872 |
PASSIVELY POWERED ELEMENT WITH MULTIPLE ENERGY HARVESTING AND COMMUNICATION CHANNELS
A passively powered element with multiple energy harvesting and communication channels is described. The passively powered element may include a number of antennae tuned to transmit and to receive...
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US20090111420 |
DEGENERATED PASSIVE MIXER IN SAW-LESS RECEIVER
In a SAW-less receiver involving a passive mixer, novel degenerative impedance elements having substantial impedances are disposed in incoming signal paths between the differential signal output...
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US20090075601 |
LOW-IF TRANSCEIVER ARCHITECTURE
A transceiver, receiver, and transmitter are provided. The transmitter includes an in-phase path and a quadrature path, a first path associated with a first local frequency and a second path...
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US20090042530 |
PILOT-BASED TWO-DIMENSIONAL CHANNEL ESTIMATION
Techniques are provided herein to estimate channel information based a received burst that is comprises of consecutive transmissions. Each transmission comprises a plurality of data subcarriers and...
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US20080305760 |
Envelope Detector for AM Radio
A receiver for receiving an amplitude modulated (AM) signal may include a first and a second detector for detecting the maximum and minimum envelope values, respectively, of the received AM signal...
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US20080299936 |
METHOD AND DEVICE FOR THE ANALOG PROCESSING OF A RADIO SIGNAL FOR A RADIO FREQUENCY RECEIVER
A device processes a received radio signal. Circuitry formulates voltage samples of the radio signal. Analog processing of those samples is performed. Then, digital processing is performed on the...
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US20080293372 |
Optimum Nonlinear Correntropy Filted
A signal processing method is provided. The method includes receiving a signal input, and filtering the signal input using a nonlinear correntropy filter. The method additionally includes...
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US20080274713 |
Wireless communications device with global positioning based on received motion data and method data and method for use therewith
A circuit includes a global positioning system (GPS) receiver that receives a GPS signal and that generates GPS position data based on the GPS signal. A wireless receiver converts an inbound RF...
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US20080267320 |
Communication device and channel estimation method
A communication apparatus and a channel estimating method for performing channel estimations with high precision. The communication apparatus, which receives multicarrier signals comprising a...
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US20080242256 |
SUPPRESSION OF ADJACENT CHANNEL INTERFERENCE BY ADAPTIVE CHANNEL FILTERING IN MOBILE RADIO RECEIVERS
A channel filter ( 200 ) with a variable pass bandwidth has a first low-pass filter ( 200.2 ) on the input side and is driven by a means ( 30 ) for controlling the pass bandwidth as a function of...
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US20080233915 |
Signal Processing Circuit
A signal processing circuit is disclosed which comprises: an attenuating unit that attenuates a demodulated signal acquired by detecting a received signal; a detecting unit that detects a first...
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US20080227424 |
Methods and apparatus to perform radio frequency (RF) analog-to-digital conversion
Methods and apparatus to perform radio frequency (RF) analog-to-digital conversion are described. According to one example, a receiver includes an amplifier to amplify received analog RF signals...
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US20080218392 |
Signal Receiver and Mobile Communication Device
A signal receiver processing circuit is for isolating a desired signal from analog input signal that is susceptible to variations in signal power, e.g. from a radio front end ( 12 ). The device has...
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US20080207160 |
Discrete Signal Processing Device and Processing Method
A signal processing device and a signal processing method are provided which can reproduce a smooth signal in the reproduction of a discrete signal having a non-uniform sample point interval. The...
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US20080191889 |
AMPLITUDE DETECTING DEVICE
An amplitude detecting device of the present art increases the slope of the change in output voltage corresponding to the change in amplitude of an input signal to improve the detection accuracy of...
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US20080170647 |
Device for Noise Reduction
Device for reducing noise in a radio receiver, which radio receiver comprises a transformer ( 30 ) having a reference voltage input ( 20 ), a radio signal input at a first transformer side, and a...
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US20080153449 |
METHOD FOR MULTIPLE-INPUT-MULTIPLE-OUTPUT SYSTEM DEMODULATION
A MMSE-based deterministic sequential Monte Carlo (SMC) method for MIMO demodulation exhibiting square root complexity in terms of constellation size. Further extensions to the method reduce the...
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US20080132195 |
INTERFACE/SYNCHRONIZATION CIRCUITS FOR RADIO FREQUENCY RECEIVERS WITH MIXING DAC ARCHITECTURES
A receiver ( 1300 ) includes a mixing digital-to-analog converter (DAC) ( 1306 ), a direct digital frequency synthesizer (DDFS) ( 132 A) and an interface ( 134 D). The mixing DAC ( 1306 ) includes...
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US20080125074 |
Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations
In one aspect this invention provides a radio frequency receiver for coupling to an antenna. The receiver includes a downconversion mixer, an amplifier having an input coupled to the antenna and an...
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US20080090544 |
Module for Exchanging Information By Carrier Currents and Method for Managing the Operation of Said Module
The module for exchanging information by carrier-currents ( 22, 24 ) for controlling an electrical member ( 12, 14 ) includes first receiver means ( 34 A, 36 A) for receiving an...
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US20080014888 |
Overload protection for receiver front end
An embodiment is a receiver for a communications system that may substantially block unwanted signals in a frequency range to protect the receiver from overload. Simultaneously, the receiver of an...
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